Battery box top



FIG. 1 is a side elevational view of a battery box top embodying my new design;

FIG. 2 is a side elevational view of the opposite side of the battery box top;

FIG. 3 is a front elevational view of the battery box top;

FIG. 4 is a rear elevational view of the battery box top;

FIG. 5 is a top plan view of the battery box top; and,

FIG. 6 is a bottom plan view of the battery box top. 

The ornamental design for a battery box top, as shown and described. 